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Table 1 The cleavage and blastocyst rates on day 2 and day 7 after IVF with the dimension of follicle from 3.0 to 8.0 mm (mean ± S. E. M.)

From: Natriuretic peptides improve the developmental competence of in vitro cultured porcine oocytes

Follicle diameter (mm) oocytes(n) cleaved oocytes (%) blastocysts (%)
3.0–4.0 215 11.2 ± 2.7a 3.6 ± 1.67 a
4.1–5.0 201 37.5 ± 2.3 b 10.1 ± 1.8 b
5.1–6.0 235 41.64 ± 1.6 b 13.3 ± 2.9 c
6.1–8.0 206 30.9 ± 2.2 c 8.3 ± 2.5d
  1. abcdMeans in the same column with different superscripts were significantly different (p < 0.05)